Home / 61,298,740,910.80-91,948,111,366.20-28,238,859,182.80

Finding the Fourth Proportional to 61,298,740,910.80, 91,948,111,366.20 and 28,238,859,182.80

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Solution

The fourth proportional to 61,298,740,910.80, 91,948,111,366.20 and 28,238,859,182.80 is: 42,358,288,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,298,740,910.80 : 91,948,111,366.20 = 28,238,859,182.80 : x
  2. Step 2: Convert to fraction form
    61,298,740,910.80/91,948,111,366.20 = 28,238,859,182.80/x
  3. Step 3: Cross multiply
    61,298,740,910.80x = 91,948,111,366.20 × 28,238,859,182.80
  4. Step 4: Simplify right side
    61,298,740,910.80x = 2,596,509,768,994,533,670,912
  5. Step 5: Solve for x
    x = 2,596,509,768,994,533,670,912/61,298,740,910.80
  6. Step 6: Final answer
    x = 42,358,288,774.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.